package edu.sctu.xialei.june.day20150618one;

import java.util.Random;

/**
 * Created by Administrator on 2015/6/17.
 */
/*
Random class
 */
public class RandomUtil {

    private Random  random = new Random();
    public void printRandomNumber(){
        System.out.println(random.nextInt(90));
        System.out.println(random.nextBoolean());
        System.out.println(random.nextDouble());
        System.out.println(random.nextFloat());
    }

}
